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/*=========================================================================
Program: ParaView
Module: vtkChartSelectionRepresentation.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkChartSelectionRepresentation.h"
#include "vtkChartRepresentation.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiProcessController.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkProcessModule.h"
#include "vtkProperty.h"
#include "vtkPVContextView.h"
#include "vtkSelectionDeliveryFilter.h"
#include "vtkSelection.h"
#include "vtkSelectionSerializer.h"
#include <assert.h>
#include <sstream>
vtkStandardNewMacro(vtkChartSelectionRepresentation);
//----------------------------------------------------------------------------
vtkChartSelectionRepresentation::vtkChartSelectionRepresentation()
{
this->EnableServerSideRendering = false;
}
//----------------------------------------------------------------------------
vtkChartSelectionRepresentation::~vtkChartSelectionRepresentation()
{
}
//----------------------------------------------------------------------------
void vtkChartSelectionRepresentation::SetChartRepresentation(
vtkChartRepresentation* repr)
{
this->ChartRepresentation = repr;
}
//----------------------------------------------------------------------------
void vtkChartSelectionRepresentation::SetVisibility(bool val)
{
this->Superclass::SetVisibility(val);
}
//----------------------------------------------------------------------------
bool vtkChartSelectionRepresentation::AddToView(vtkView* view)
{
vtkPVContextView* pvview = vtkPVContextView::SafeDownCast(view);
if (pvview)
{
this->ContextView = pvview;
this->EnableServerSideRendering = pvview->InTileDisplayMode();
return this->Superclass::AddToView(view);
}
return false;
}
//----------------------------------------------------------------------------
bool vtkChartSelectionRepresentation::RemoveFromView(vtkView* view)
{
if (view == this->ContextView.GetPointer())
{
this->ContextView = NULL;
this->EnableServerSideRendering = false;
return this->Superclass::RemoveFromView(view);
}
return false;
}
//----------------------------------------------------------------------------
int vtkChartSelectionRepresentation::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkSelection");
info->Set(vtkAlgorithm::INPUT_IS_OPTIONAL(), 1);
return 1;
}
//----------------------------------------------------------------------------
int vtkChartSelectionRepresentation::RequestData(vtkInformation* request,
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
if (vtkProcessModule::GetProcessType() == vtkProcessModule::PROCESS_RENDER_SERVER)
{
return this->Superclass::RequestData(request, inputVector, outputVector);
}
vtkSmartPointer<vtkSelection> localSelection;
if (inputVector[0]->GetNumberOfInformationObjects()==1)
{
vtkSelection* inputSelection = vtkSelection::GetData(inputVector[0], 0);
assert(inputSelection);
vtkNew<vtkSelection> clone;
clone->ShallowCopy(inputSelection);
// map data-selection to view. We do this here so that the mapping logic is
// called on the processes that have the input data (which may come in
// handy at some point).
if (this->ChartRepresentation->MapSelectionToView(clone.GetPointer()) == false)
{
clone->Initialize();
}
vtkNew<vtkSelectionDeliveryFilter> courier;
courier->SetInputDataObject(clone.GetPointer());
courier->Update();
localSelection = vtkSelection::SafeDownCast(courier->GetOutputDataObject(0));
if (this->EnableServerSideRendering)
{
// distribute the selection from the root node to all processes.
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
int myId = pm->GetPartitionId();
int numProcs = pm->GetNumberOfLocalPartitions();
if (numProcs > 1)
{
vtkMultiProcessController* controller = pm->GetGlobalController();
if (myId == 0)
{
std::ostringstream res;
vtkSelectionSerializer::PrintXML(res, vtkIndent(), 1, clone.GetPointer());
// Send the size of the string.
int size = static_cast<int>(res.str().size());
controller->Broadcast(&size, 1, 0);
// Send the XML string.
controller->Broadcast(
const_cast<char*>(res.str().c_str()), size, 0);
localSelection = clone.GetPointer();
}
else
{
int size = 0;
controller->Broadcast(&size, 1, 0);
char* xml = new char[size+1];
// Get the string itself.
controller->Broadcast(xml, size, 0);
xml[size] = 0;
// Parse the XML.
vtkNew<vtkSelection> sel;
vtkSelectionSerializer::Parse(xml, sel.GetPointer());
delete[] xml;
localSelection = sel.GetPointer();
}
}
}
}
else
{
vtkNew<vtkSelectionDeliveryFilter> courier;
courier->Update();
localSelection = vtkSelection::SafeDownCast(courier->GetOutputDataObject(0));
}
if (this->ContextView)
{
this->ContextView->SetSelection(this->ChartRepresentation, localSelection);
}
return this->Superclass::RequestData(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
void vtkChartSelectionRepresentation::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "ChartRepresentation: "
<< this->ChartRepresentation.GetPointer() << endl;
os << indent << "EnableServerSideRendering: " <<
this->EnableServerSideRendering << endl;
}
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